2006/10/24, Max <[EMAIL PROTECTED]>:
[...]
>
> try {...}
> catch (Exception e) {
> Logger.Log.Debug ("Something went wrong...");
> }
>
> IIRC c# also allows:
>
> catch ()
> or
> catch (MyOwnException)
>
> without defining a variable if it is not needed.
>
> Is there any reason for always putting the e or the ex variables there
> even though they are not used afterwards?
The answer to your question is no; there is no need to declare a
variable name unless you're going to use it (hence the warning).
So:
catch (MyException ex) { /* Do stuff */ }
is the same as
catch (MyException) { /* Do stuff */ }
except that you can't use the exception info inside the { } block.
To catch everything, you'd typically write
catch { /* Do stuff */ }
which is identical to:
catch (Exception) { /* Do stuff */ }
Although, as Daniel Naber pointed out in another reply, it's probably
better to declare the variable and then do something useful with it,
such as print it. :-)
Isak
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